February Linkscape Update: 66 Billion URLs

After some wrestling with Amazon's EC2 and the tragic loss of many hard disks therein, we've finally finished processing and have released the latest Linkscape update (previously scheduled for Feb. 14). This new index is, once again, quite large in comparison to our prior indices, and contains a mix of crawl data going back to the end of last year. In fact, this is technically our largest index ever! Here are the latest stats: 65,997,728,692 (66 billion) URLs 601,062,802 (601 million) Subdomains 140,281,592 (140 million) Root Domains 739,867,470,316 (740 billion) Links Followed vs. Nofollowed 2.21% of all links found were nofollowed 57.91% of nofollowed links are internal 42.09% are external Rel Canonical - 11.11% of all pages now employ a rel=canonical tag The average page has 71.88 links on it 60.98 internal links on average 10.90 external links on average We also ran ou...